Identifiers, Literal Constants and Punctuation in C Language
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Questions and Answers

What is the purpose of preprocessor directives in C programming?

  • To declare local variables
  • To define global variables
  • To write comments that are ignored by the compiler
  • To instruct the compiler to perform transformations before compiling (correct)

Which part of a C program is defined by global declarations and function definitions?

  • Local declarations
  • Main function
  • Preprocessor directives
  • Program structure (correct)

What is the role of the main function in a C program?

  • Call other functions within the program
  • Execute statements in sequence from beginning to end (correct)
  • Define local variables
  • Instruct the compiler on how to compile the program

Why are comments used in C programming?

<p>To document the code for human readers without affecting program execution (B)</p> Signup and view all the answers

Which aspect of a C program do local declarations describe?

<p>Data used only within a specific function (A)</p> Signup and view all the answers

What is the primary purpose of reserved words in C programming?

<p>Specify which tokens are valid and form part of the C language syntax (C)</p> Signup and view all the answers

How are identifier names chosen in C programming?

<p>By ensuring they are meaningful to make the program readable (C)</p> Signup and view all the answers

Why does every C program have one function named 'main'?

<p>'Main' indicates the primary starting point for program execution (D)</p> Signup and view all the answers

What distinguishes global declarations from local declarations in a C program?

<p>Global declarations are visible throughout the entire program, while local declarations are visible only within specific functions. (C)</p> Signup and view all the answers

What specifies which tokens are valid and indicates the expected order of tokens in a C program?

<p>Syntax rules (B)</p> Signup and view all the answers

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